Title:
LIQUID DISCHARGE DEVICE
Document Type and Number:
Japanese Patent JP2020059264
Kind Code:
A
Abstract:
To provide a liquid discharge device capable of improving display quality.SOLUTION: A liquid discharge device comprises: a plurality of nozzles; a head comprising a nozzle unit on which the plurality of nozzles is arranged in a row; a liquid container supplying liquid to the nozzle unit; a liquid supply passage connecting the nozzle unit and the liquid container; and a control part controlling a back-pressure of the liquid supply passage. The control part controls the back-pressure such that it becomes a second value higher than a first value as a reference when a discharge condition of the nozzle unit satisfies a prescribed condition.SELECTED DRAWING: Figure 4
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Inventors:
YUZAWA HIDEMASA
MATSUBARA YOSHITAKA
MATSUBARA YOSHITAKA
Application Number:
JP2018233200A
Publication Date:
April 16, 2020
Filing Date:
December 13, 2018
Export Citation:
Assignee:
SEIKO EPSON CORP
International Classes:
B41J2/01; B41J2/175
Attorney, Agent or Firm:
Kazuaki Watanabe
Mitsuhiro Isobe
Satoshi Nakai
Hiroki Matsuoka
Mitsuhiro Isobe
Satoshi Nakai
Hiroki Matsuoka